i just got the easytether app, and i have an htc evo 4g, my problem is that my pc connects to the connection, but the internet does not work, also when i turn on my sprint hot spot , it gives me a message that says error code 67 registration failure your PCS vision username and or/ password may be incorrect . please tyr again, did i do something wrong, has this happened to any of you guys. can you please help me.